An antenna structure according to an embodiment of the present disclosure includes a passivation layer, an antenna unit at least partially embedded in an upper portion of the passivation layer, and an insulating layer disposed on a top surface of the passivation layer to cover the antenna unit. A spatial efficiency of the antenna structure is improved and a thickness of the image display device is reduced to improve a bending property.
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2. The image display device according to claim 1, wherein the antenna unit is spaced apart from a bottom surface of the passivation layer in a thickness direction.
An image display device includes a display panel with a passivation layer and an antenna unit. The antenna unit is positioned such that it is spaced apart from the bottom surface of the passivation layer in the thickness direction of the device. This spacing helps to reduce interference between the antenna unit and the display panel, improving signal reception and transmission performance. The antenna unit may be integrated into the display panel structure, allowing for a compact and streamlined design. The passivation layer protects the underlying display components while maintaining the necessary separation for optimal antenna functionality. This configuration is particularly useful in devices where space is limited, such as smartphones, tablets, or wearable displays, where maintaining signal quality without increasing device thickness is critical. The antenna unit may be designed to operate at specific frequencies, such as those used in wireless communication or near-field communication (NFC), ensuring reliable performance in various applications. The spacing between the antenna unit and the passivation layer is carefully controlled to balance signal efficiency and structural integrity, ensuring the device remains durable while meeting performance requirements.
3. The image display device of claim 2, wherein the antenna unit comprises a radiator, a transmission line extending from the radiator and a signal pad connected to a terminal end portion of the transmission line.
This invention relates to an image display device incorporating an antenna unit for wireless communication. The device addresses the challenge of integrating antennas into display panels without compromising visual quality or structural integrity. The antenna unit includes a radiator for transmitting and receiving signals, a transmission line extending from the radiator to conduct signals, and a signal pad connected to the terminal end of the transmission line. The signal pad facilitates electrical connection to external circuitry. The antenna unit is designed to be embedded within the display panel, ensuring seamless integration while maintaining the panel's display performance. The radiator may be configured as a conductive pattern on a substrate, while the transmission line and signal pad are structured to minimize signal loss and interference. This design enables efficient wireless communication capabilities in display devices, such as smartphones, tablets, or smartwatches, without requiring external antenna modules. The invention focuses on optimizing the antenna's placement and connectivity to enhance signal transmission while preserving the display's aesthetic and functional properties.
4. The image display device of claim 3, wherein the passivation layer covers the radiator, and at least partially exposes the signal pad.
This invention relates to an image display device with an improved passivation layer configuration. The device addresses the challenge of protecting internal components while ensuring reliable electrical connections. The passivation layer, typically used to protect underlying structures from environmental damage, is designed to cover a radiator component while leaving at least part of a signal pad exposed. This selective coverage allows the passivation layer to shield the radiator from moisture, contaminants, and mechanical stress while maintaining accessibility to the signal pad for electrical connections. The radiator may be a heat-dissipating element, such as a thermal pad or heat spreader, integrated into the display device to manage heat generated during operation. The signal pad, which could be part of a circuit or interconnect structure, remains partially uncovered to facilitate bonding, soldering, or other connection methods. This configuration balances protection and functionality, ensuring the device operates efficiently without compromising its structural integrity or electrical performance. The passivation layer may be made of materials like silicon nitride, silicon oxide, or polymer-based compounds, chosen for their insulating and protective properties. The exposed portion of the signal pad may be defined by etching, masking, or other patterning techniques to precisely control the coverage area. This design is particularly useful in high-performance displays, such as OLEDs or microLEDs, where thermal management and electrical reliability are critical.
5. The image display device of claim 3, further comprising a first adhesive layer combined with a bottom surface of the passivation layer.
This invention relates to an image display device, specifically addressing the challenge of improving structural integrity and durability in display panels. The device includes a passivation layer that protects underlying components from environmental damage, such as moisture or physical stress. To enhance adhesion and stability, a first adhesive layer is applied to the bottom surface of the passivation layer. This adhesive layer ensures secure bonding between the passivation layer and adjacent components, preventing delamination or detachment over time. The passivation layer itself is designed to shield sensitive elements, such as organic light-emitting diodes (OLEDs) or thin-film transistors (TFTs), from external contaminants while maintaining optical transparency. The adhesive layer is selected for compatibility with the passivation material, ensuring long-term reliability without compromising display performance. This configuration is particularly useful in flexible or foldable displays, where mechanical stress is a critical concern. The invention aims to extend the lifespan of display devices by minimizing failure points related to adhesion and environmental exposure.
6. The image display device of claim 5, further comprising a circuit board disposed between the first adhesive layer and the antenna unit to be electrically connected to the signal pad of the antenna unit.
This invention relates to an image display device with an integrated antenna unit for wireless communication. The device addresses the challenge of incorporating an antenna into a display while maintaining structural integrity and signal performance. The antenna unit includes a signal pad for transmitting and receiving signals, and is bonded to a display panel via a first adhesive layer. A circuit board is positioned between the first adhesive layer and the antenna unit, electrically connecting to the signal pad to facilitate signal transmission. The circuit board may also include additional components or wiring to support the antenna's functionality. The design ensures proper signal integrity while minimizing interference with the display's operation. The antenna unit is configured to operate within a specific frequency range, such as for wireless communication protocols like Wi-Fi or Bluetooth. The overall structure allows for a compact and efficient integration of wireless communication capabilities into a display device without compromising its primary function. The invention aims to improve the reliability and performance of embedded antennas in display systems.
7. The image display device of claim 6, a thickness of the first adhesive layer is greater than or equal to a thickness of the circuit board.
This invention relates to an image display device with an improved adhesive layer configuration. The device includes a display panel, a circuit board, and a first adhesive layer bonding the display panel to the circuit board. The first adhesive layer has a thickness that is greater than or equal to the thickness of the circuit board. This design ensures proper adhesion and structural stability between the display panel and the circuit board, preventing misalignment or detachment during operation. The circuit board may include electronic components and conductive traces for driving the display panel. The first adhesive layer is positioned between the display panel and the circuit board, providing a secure connection while accommodating variations in board thickness. The invention addresses issues related to poor adhesion and mechanical reliability in display devices, particularly in applications where the display panel and circuit board must maintain precise alignment under stress or environmental conditions. The adhesive layer's thickness ensures sufficient bonding strength and compensates for any irregularities in the circuit board's surface. This configuration is particularly useful in flexible or high-performance display applications where durability and reliability are critical.
8. The image display device of claim 5, further comprising a second adhesive layer formed on a top surface of the insulating layer.
The invention relates to an image display device, specifically addressing the challenge of improving structural integrity and durability in display panels. The device includes a base substrate, a display layer formed on the base substrate, and an insulating layer covering the display layer. A first adhesive layer is positioned between the display layer and the insulating layer to enhance bonding and prevent delamination. The insulating layer is designed to protect the display layer from environmental damage, such as moisture or physical impact. Additionally, a second adhesive layer is formed on the top surface of the insulating layer to further secure additional components or protective layers, ensuring long-term stability and performance. This configuration improves the device's resistance to external factors while maintaining optical clarity and functionality. The adhesive layers provide robust adhesion, reducing the risk of separation between layers, which is critical for maintaining display quality and longevity. The insulating layer acts as a barrier, preventing contaminants from reaching the display layer, while the second adhesive layer allows for the integration of supplementary elements, such as touch sensors or protective coatings, without compromising structural integrity. This design is particularly useful in flexible or high-stress applications where durability is essential.
10. The image display device of claim 1, further comprising a ground layer disposed under the display panel.
The invention relates to an image display device with an improved structure to enhance performance and reliability. The device includes a display panel for generating and displaying images, along with a ground layer positioned beneath the display panel. The ground layer serves to provide electrical grounding, shielding, and thermal dissipation, improving the device's stability and reducing electromagnetic interference. This configuration helps maintain image quality and operational efficiency by minimizing noise and heat buildup. The ground layer may be integrated into the device's substrate or added as a separate component, depending on the specific design requirements. The overall structure ensures better signal integrity and longevity of the display panel, making the device suitable for high-performance applications such as smartphones, tablets, and other electronic displays. The ground layer's placement beneath the display panel optimizes space utilization while enhancing functionality.
12. The image display device of claim 11, wherein a thickness of the first adhesive layer is from 50 μm to 500 μm, and a thickness of the second adhesive layer is from 20 μm to 200 μm.
This invention relates to an image display device with improved structural integrity and optical performance. The device addresses the challenge of maintaining display quality while ensuring durability and ease of assembly. The display includes a first adhesive layer and a second adhesive layer, each with specific thickness ranges to optimize bonding strength and optical clarity. The first adhesive layer, ranging from 50 μm to 500 μm in thickness, provides robust mechanical support and shock absorption. The second adhesive layer, thinner at 20 μm to 200 μm, ensures minimal optical interference while securely bonding components. The adhesive layers are positioned between a display panel and a protective cover, enhancing resistance to environmental factors like moisture and impact. The thickness ranges are selected to balance structural stability with visual fidelity, preventing issues like delamination or image distortion. This design is particularly useful in high-performance displays, such as smartphones, tablets, and digital signage, where both durability and visual quality are critical. The invention improves upon prior art by precisely defining adhesive layer thicknesses to achieve optimal performance without compromising assembly efficiency.
13. The image display device of claim 11, further comprising a cover window disposed on the second adhesive layer.
The invention relates to an image display device with an improved structure for enhanced durability and optical performance. The device addresses the problem of maintaining display quality while protecting the display from environmental damage, such as scratches, impacts, and moisture. The display includes a display panel, a first adhesive layer, a polarizing plate, a second adhesive layer, and a cover window. The display panel generates images, and the polarizing plate is attached to the panel via the first adhesive layer to control light transmission and improve contrast. The second adhesive layer bonds the polarizing plate to the cover window, which provides a protective outer surface. The cover window is designed to shield the display from physical damage while maintaining optical clarity. The adhesive layers ensure stable adhesion between components, preventing delamination and air gaps that could degrade image quality. The overall structure enhances durability without compromising visual performance, making the device suitable for applications requiring robust and high-quality displays, such as smartphones, tablets, and digital signage.
14. The image display device of claim 11, further comprising an optical layer disposed between the first adhesive layer and the display panel.
This invention relates to an image display device with an improved optical layer configuration. The device addresses the challenge of enhancing image quality and durability in display systems by incorporating an optical layer between an adhesive layer and a display panel. The optical layer is designed to modify light transmission, reduce reflections, or improve contrast, depending on the specific application. The display panel generates the visual content, while the adhesive layer securely bonds the optical layer to the panel. The optical layer may include features such as anti-reflective coatings, polarizers, or light diffusion elements to optimize viewing conditions. This configuration ensures that the optical layer performs its intended function without interfering with the structural integrity of the display. The invention is particularly useful in high-performance displays where optical quality and reliability are critical, such as in smartphones, tablets, and digital signage. By integrating the optical layer in this manner, the device achieves better image clarity and longevity compared to traditional designs where the optical layer is applied directly to the display panel.
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December 17, 2021
April 9, 2024
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